Chair



FIG. 1 is a front perspective view of a chair showing my design.

FIG. 2 is a side view of my design.

FIG. 3 is a bottom view of my design.

FIG. 4 is a top view of my design.

FIG. 5 is a front view of my design.

FIG. 6 is a rear view of my design. 

The ornamental design for a chair, substantially as shown and described. 